Search a number
-
+
622000152 = 23328638891
BaseRepresentation
bin100101000100101…
…111100000011000
31121100101212210200
4211010233200120
52233213001102
6141415342200
721261625344
oct4504574030
91540355720
10622000152
1129a114a14
12154381960
139bb2c537
145c872624
153991651c
hex2512f818

622000152 has 24 divisors (see below), whose sum is σ = 1684583940. Its totient is φ = 207333360.

The previous prime is 622000123. The next prime is 622000157. The reversal of 622000152 is 251000226.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622000157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4319374 + ... + 4319517.

Almost surely, 2622000152 is an apocalyptic number.

It is an amenable number.

622000152 is an abundant number, since it is smaller than the sum of its proper divisors (1062583788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622000152 is a wasteful number, since it uses less digits than its factorization.

622000152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638903 (or 8638896 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 622000152 is about 24939.9308740020. The cubic root of 622000152 is about 853.6178674900.

Adding to 622000152 its reverse (251000226), we get a palindrome (873000378).

The spelling of 622000152 in words is "six hundred twenty-two million, one hundred fifty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 8638891 17277782 25916673 34555564 51833346 69111128 77750019 103666692 155500038 207333384 311000076 622000152